Chair



FIG. 1 illustrates a side perspective view of a chair employing an ornamental design in accordance with the present invention;

FIG. 2 illustrates a side plan view of the chair of FIG. 1, the right and left views being identical thereto;

FIG. 3 is a top plan view of the chair of FIG. 1; and,

FIG. 4 is a bottom plan view of the chair of FIG. 1. 

The ornamental design for a chair, as shown and described. 